Face lifting and maintenance works to TE building and Inspection quarters at Mangattuparamba

Amount

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level

1:2:4 (1 cement : 2 coarse sand(zone-III) derived from natural sources : 4 graded stone aggregate 20 mm nominal size derived from natural sources)

Painting with synthetic enamel paint of approved brand and manufacture to give an even shade : Two or more coats on new work.

Floor polishing /terrazo floors with wax polish of approved brand and manufacture.

Wall painting with acrylic emulsion paint, having VOC (Volatile Organic Compound ) content less than 50 grams/ litre, of approved brand and manufacture, including applying additional coats wherever required, to achieve even shade and colour A) Two coats

Finishing walls with Premium Acrylic Smooth exterior paint with Silicone additives of required shade

Old work (Two or more coats applied @ 1.43 ltr/ 10 sqm) over existing cement paint surface.

Demolishing brick work manually/ by mechanical means including stacking of serviceable material and disposal of unserviceable material within 50 metres lead as per direction of Engineer-in-charge..a) In cement mortar

Providing and fixing wash basin with C.I. brackets, 15 mm PTMT pillar cock, 32 mm PTMT waste coupling of standard pattern, including painting of fittings and brackets, cutting and making good the walls wherever required. White Vitreous China Flat back wash basin size 550x400 mm with single 15 mm PTMT pillar cock.

Providing and fixing C.P. brass angle valve for basin mixer and geyser points of approved quality conforming to IS:8931 : 15mm nominal bore pillar cock.

Providing and fixing PTMT bib cock of approved quality and colour.

15mm nominal bore, 90 mm long. Weighing not less than 93 gms.

Providing and fixing PTMT stop cock of approved quality and colour.

Concealed stop cock, 15 mm nominal bore, 108mm long. Weighing not less than 108 gms.

Providing and fixing PTMT pillar cock of approved quality and colour .

15mm nominal bore, 125 mm long foam flow. Weighing not less than 120 gms.

Chipping of unsound/weak concrete material from slabs, beams, columns etc. with manual Chisel and/ or by standard power driven percussion type or of approved make including tapering of all edges, making square shoulders of cavities including cleaning the exposed concrete surface and reinforcement with wire brushes etc. and disposal of debris for all lead and lifts all complete as per direction of Engineer-In-Charge a) 25 mm average thickness

Providing, mixing and applying bonding coat of approved adhesive on chipped portion of RCC as per specifications and direction of Engineer-In-charge complete in all respect.

SBR Polymer (@10% of cement weight) modified cementitious bond coat @ 2.2 kg cement per sqm of surface area mixed with specified proportion of approved polymer

Providing, mixing and applying SBR polymer (of approved make) modified Cement mortar in proportion of 1:4 (1 cement: 4 graded coarse sand with polymer minimum 2% by wt. of cement used) as per specifications and directions of Engineer-in-charge.(Note: Measurement and payment: The pre-measurement of thickness shall be done just after the surface preparation is completed and Payment under this item shall be made only after proper wet curing has been done and surface has been satisfactorily evaluated by sounding / tapping with a blunt metal instrument and/or the 75mm size cube crushing strength at the end of 28 days to be not less than 30 N/Sqmm2)). a) 25 mm average thickness in 2 layers.

Re-assembling and fixing in position the dismantled aluminium partitions with particle board. aluminium grills and glass using with necessary new rubber gasket, screws, mortice locks etc. as directed by the Engineer-in- charge complete.

Bringing two numbers of counter tables (1.50x0.75x1.00m) available at BSNL Bhavan, Kannur and installing the same at Ground Floor room, after attending necessary repairs, for functioning as Customer Service Centre.

Repairing entrance gate including removing corroded parts and welding using necessary m.s. steel plates/rods etc upto 15 kg weight , all as directed by the Engineer in charge.

C M Ravindran

K J RAPHEL